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30 Spline

  •       GM 8.5" Powergrip 30 Spline Posi LSD
    $400.00 GM 8.5" Powergrip 30 Spline Posi LSD
    New Clutch type posi differential provides aggressive yet smooth traction, perfect for street and performance applications. These units are fully rebuildable and use Eaton type internal components. We recommend using...

  • GM 8.5" 8.6" Powertrax Grip Pro Posi 30 Spline
    $498.97 GM 8.5" 8.6" Powertrax Grip Pro Posi 30 Spline
    Grip Pro Powertrax Grip Pro is the latest design in traction adding differential technology. The Grip Pro features a fully machined Forged steel case along with 3x2 Spiral gear technology. Grip...